Solar Tsunami to Strike Earth Tonight

FOXNews.com - Solar Tsunami to Strike Earth Tonight
Should be "interesting" !???
The Sun's surface erupted early Sunday morning, blasting tons of plasma into interplanetary space -- directly towards the Earth.
That wall of ionized [COLOR=blue !important][COLOR=blue !important]atoms[/COLOR][/COLOR] should hit the planet tonight, say scientists, creating a geomagnetic storm and a spectacular light show and possibly threatening satellites in orbit.
"This eruption is directed right at us and is expected to get here early in the day on Aug. 4th," said Leon Golub of the Harvard-Smithsonian Center for Astrophysics. "It's the first major Earth-directed eruption in quite some time."
The [COLOR=blue !important][COLOR=blue !important]solar[/COLOR][/COLOR] eruption, called a coronal mass ejection, was spotted by NASA's Solar Dynamics Observatory, which captures high-definition views of the [COLOR=blue !important][COLOR=blue !important]sun[/COLOR][/COLOR] at a variety of wavelengths. SDO was launched in February and peers deep into the layers of the sun, investigating the mysteries of its inner workings.
"We got a [COLOR=blue !important][COLOR=blue !important]beautiful[/COLOR][/COLOR] view of this eruption," Golub said. "And there might be more beautiful views to come if it triggers aurorae."
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Views of aurorae are usually associated with Canada and Alaska, but even skywatchers in the northern U.S. mainland are being told they can look toward the north Tuesday and Wednesday evenings for rippling "curtains" of green and red light.
When a coronal mass ejection reaches Earth, solar particles stream down our planet's magnetic field lines toward the poles. In the process, the particles collide with atoms of nitrogen and oxygen in the Earth's atmosphere, which then glow, creating an effect similar to miniature neon signs.
The interaction of the solar particles with our planet's magnetic field has the potential to create geomagnetic storms, or disturbances in Earth's magnetosphere. And while aurorae are normally visible only at high latitudes, they can light up the sky even at lower latitudes during a geomagnetic storm.
The solar particles could also affect satellites, though scientists think that possibility is remote. Orbital Sciences Corp. believe a similar blast may have been knocked its Galaxy 15 satellite permanently out of action.
The sun's activityusually ebbs and flows on a fairly predictable cycle. Typically, a cycle lasts about 11 years, taking roughly 5.5 years to move from a solar minimum, a period of time when there are few sunspots, to peak at the solar maximum, during which sunspot activity is amplified.
The last solar maximum occurred in 2001. The latest minimum was particularly weak and long- lasting. The most recent solar eruption is one of the first signs that the sun is waking up and heading toward another maximum.Space.com contributed to this report.
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